Det er 397 eksakte anagrammer av KLAVERDEBUT på 4 bokstaver. Sortert etter høyeste poeng først.
# | Anagram | Definisjon Def. | Poeng | Bokstavpoeng | ||
---|---|---|---|---|---|---|
1 | KUVL | 14p. | K3U4V5L2 | |||
2 | VULK | 14p. | V5U4L2K3 | |||
3 | BUKL | 13p. | B4U4K3L2 | |||
4 | BULK | 13p. | B4U4L2K3 | |||
5 | KURV | 13p. | K3U4R1V5 | |||
6 | KUVA | 13p. | K3U4V5A1 | |||
7 | KUVD | 13p. | K3U4V5D1 | |||
8 | KUVE | 13p. | K3U4V5E1 | |||
9 | BAVL | 12p. | B4A1V5L2 | |||
10 | BLEV | 12p. | B4L2E1V5 | |||
11 | BRUK | 12p. | B4R1U4K3 | |||
12 | BUKA | 12p. | B4U4K3A1 | |||
13 | BUKE | 12p. | B4U4K3E1 | |||
14 | BUKT | 12p. | B4U4K3T1 | |||
15 | DUVL | 12p. | D1U4V5L2 | |||
16 | KUBA | 12p. | K3U4B4A1 | |||
17 | KUBE | 12p. | K3U4B4E1 | |||
18 | LAUV | 12p. | L2A1U4V5 | |||
19 | LURV | 12p. | L2U4R1V5 | |||
20 | UVEL | 12p. | U4V5E1L2 | |||
21 | ALBU | 11p. | A1L2B4U4 | |||
22 | BAUL | 11p. | B4A1U4L2 | |||
23 | BEVA | 11p. | B4E1V5A1 | |||
24 | BEVD | 11p. | B4E1V5D1 | |||
25 | BEVE | 11p. | B4E1V5E1 | |||
26 | BEVR | 11p. | B4E1V5R1 | |||
27 | BRAV | 11p. | B4R1A1V5 | |||
28 | BREV | 11p. | B4R1E1V5 | |||
29 | BULA | 11p. | B4U4L2A1 | |||
30 | BULE | 11p. | B4U4L2E1 | |||
31 | BULT | 11p. | B4U4L2T1 | |||
32 | DUVA | 11p. | D1U4V5A1 | |||
33 | DUVE | 11p. | D1U4V5E1 | |||
34 | KALV | 11p. | K3A1L2V5 | |||
35 | KAVL | 11p. | K3A1V5L2 | |||
36 | KLAV | 11p. | K3L2A1V5 | |||
37 | KVAL | 11p. | K3V5A1L2 | |||
38 | KVEL | 11p. | K3V5E1L2 | |||
39 | LUBA | 11p. | L2U4B4A1 | |||
40 | RUVA | 11p. | R1U4V5A1 | |||
41 | RUVD | 11p. | R1U4V5D1 | |||
42 | RUVE | 11p. | R1U4V5E1 | |||
43 | TURV | 11p. | T1U4R1V5 | |||
44 | UTAV | 11p. | U4T1A1V5 | |||
45 | UTVE | 11p. | U4T1V5E1 | |||
46 | UVEA | 11p. | U4V5E1A1 | |||
47 | VAKL | 11p. | V5A1K3L2 | |||
48 | VALK | 11p. | V5A1L2K3 | |||
49 | VATU | 11p. | V5A1T1U4 | |||
50 | VERB | 11p. | V5E1R1B4 | |||
51 | VUTE | 11p. | V5U4T1E1 | |||
52 | BAUD | 10p. | B4A1U4D1 | |||
53 | BAUT | 10p. | B4A1U4T1 | |||
54 | BLAK | 10p. | B4L2A1K3 | |||
55 | BLEK | 10p. | B4L2E1K3 | |||
56 | BRUA | 10p. | B4R1U4A1 | |||
57 | BRUD | 10p. | B4R1U4D1 | |||
58 | BRUT | 10p. | B4R1U4T1 | |||
59 | BUDA | 10p. | B4U4D1A1 | |||
60 | BUDT | 10p. | B4U4D1T1 | |||
61 | BUER | 10p. | B4U4E1R1 | |||
62 | BUET | 10p. | B4U4E1T1 | |||
63 | BURA | 10p. | B4U4R1A1 | |||
64 | BURD | 10p. | B4U4R1D1 | |||
65 | BURE | 10p. | B4U4R1E1 | |||
66 | BURT | 10p. | B4U4R1T1 | |||
67 | KABL | 10p. | K3A1B4L2 | |||
68 | KARV | 10p. | K3A1R1V5 | |||
69 | KAVD | 10p. | K3A1V5D1 | |||
70 | KAVE | 10p. | K3A1V5E1 | |||
71 | KLEB | 10p. | K3L2E1B4 | |||
72 | KLUT | 10p. | K3L2U4T1 | |||
73 | KRAV | 10p. | K3R1A1V5 | |||
74 | KREV | 10p. | K3R1E1V5 | |||
75 | KULA | 10p. | K3U4L2A1 | |||
76 | KULE | 10p. | K3U4L2E1 | |||
77 | KULT | 10p. | K3U4L2T1 | |||
78 | KURL | 10p. | K3U4R1L2 | |||
79 | KVAD | 10p. | K3V5A1D1 | |||
80 | KVAE | 10p. | K3V5A1E1 | |||
81 | KVAR | 10p. | K3V5A1R1 | |||
82 | KVAT | 10p. | K3V5A1T1 | |||
83 | KVEA | 10p. | K3V5E1A1 | |||
84 | KVED | 10p. | K3V5E1D1 | |||
85 | KVEE | 10p. | K3V5E1E1 | |||
86 | LUKA | 10p. | L2U4K3A1 | |||
87 | LUKE | 10p. | L2U4K3E1 | |||
88 | LUKT | 10p. | L2U4K3T1 | |||
89 | LURK | 10p. | L2U4R1K3 | |||
90 | RUKL | 10p. | R1U4K3L2 | |||
91 | TABU | 10p. | T1A1B4U4 | |||
92 | TUBA | 10p. | T1U4B4A1 | |||
93 | TUBE | 10p. | T1U4B4E1 | |||
94 | TUKL | 10p. | T1U4K3L2 | |||
95 | ULKA | 10p. | U4L2K3A1 | |||
96 | ULKE | 10p. | U4L2K3E1 | |||
97 | UTBA | 10p. | U4T1B4A1 | |||
98 | UTBE | 10p. | U4T1B4E1 | |||
99 | VAKE | 10p. | V5A1K3E1 | |||
100 | VAKT | 10p. | V5A1K3T1 | |||
101 | VARK | 10p. | V5A1R1K3 | |||
102 | VEKE | 10p. | V5E1K3E1 | |||
103 | VEKT | 10p. | V5E1K3T1 | |||
104 | VERK | 10p. | V5E1R1K3 | |||
105 | VRAK | 10p. | V5R1A1K3 | |||
106 | AUKE | 9p. | A1U4K3E1 | |||
107 | AUKT | 9p. | A1U4K3T1 | |||
108 | AVLE | 9p. | A1V5L2E1 | |||
109 | BAKE | 9p. | B4A1K3E1 | |||
110 | BAKT | 9p. | B4A1K3T1 | |||
111 | BARK | 9p. | B4A1R1K3 | |||
112 | BEKA | 9p. | B4E1K3A1 | |||
113 | BEKE | 9p. | B4E1K3E1 | |||
114 | BEKR | 9p. | B4E1K3R1 | |||
115 | BEKT | 9p. | B4E1K3T1 | |||
116 | BRAK | 9p. | B4R1A1K3 | |||
117 | BREK | 9p. | B4R1E1K3 | |||
118 | DUKA | 9p. | D1U4K3A1 | |||
119 | DUKE | 9p. | D1U4K3E1 | |||
120 | DUKT | 9p. | D1U4K3T1 | |||
121 | DURK | 9p. | D1U4R1K3 | |||
122 | DVEL | 9p. | D1V5E1L2 | |||
123 | ELEV | 9p. | E1L2E1V5 | |||
124 | ELVA | 9p. | E1L2V5A1 | |||
125 | EVLA | 9p. | E1V5L2A1 | |||
126 | EVLE | 9p. | E1V5L2E1 | |||
127 | KAUE | 9p. | K3A1U4E1 | |||
128 | KAUR | 9p. | K3A1U4R1 | |||
129 | KAUT | 9p. | K3A1U4T1 | |||
130 | KUER | 9p. | K3U4E1R1 | |||
131 | KUET | 9p. | K3U4E1T1 | |||
132 | KURA | 9p. | K3U4R1A1 | |||
133 | KURE | 9p. | K3U4R1E1 | |||
134 | KURT | 9p. | K3U4R1T1 | |||
135 | KUTA | 9p. | K3U4T1A1 | |||
136 | KUTE | 9p. | K3U4T1E1 | |||
137 | KUTR | 9p. | K3U4T1R1 | |||
138 | LARV | 9p. | L2A1R1V5 | |||
139 | LAVD | 9p. | L2A1V5D1 | |||
140 | LAVE | 9p. | L2A1V5E1 | |||
141 | LAVT | 9p. | L2A1V5T1 | |||
142 | LEVA | 9p. | L2E1V5A1 | |||
143 | LEVD | 9p. | L2E1V5D1 | |||
144 | LEVE | 9p. | L2E1V5E1 | |||
145 | LEVR | 9p. | L2E1V5R1 | |||
146 | RAKU | 9p. | R1A1K3U4 | |||
147 | RAUK | 9p. | R1A1U4K3 | |||
148 | RAVL | 9p. | R1A1V5L2 | |||
149 | RUKA | 9p. | R1U4K3A1 | |||
150 | RUKE | 9p. | R1U4K3E1 | |||
151 | TAVL | 9p. | T1A1V5L2 | |||
152 | TEVL | 9p. | T1E1V5L2 | |||
153 | UKER | 9p. | U4K3E1R1 | |||
154 | VALD | 9p. | V5A1L2D1 | |||
155 | VALE | 9p. | V5A1L2E1 | |||
156 | VALT | 9p. | V5A1L2T1 | |||
157 | VARL | 9p. | V5A1R1L2 | |||
158 | VELA | 9p. | V5E1L2A1 | |||
159 | VELE | 9p. | V5E1L2E1 | |||
160 | VELT | 9p. | V5E1L2T1 | |||
161 | ARVE | 8p. | A1R1V5E1 | |||
162 | AULE | 8p. | A1U4L2E1 | |||
163 | AULT | 8p. | A1U4L2T1 | |||
164 | AVER | 8p. | A1V5E1R1 | |||
165 | AVET | 8p. | A1V5E1T1 | |||
166 | BALE | 8p. | B4A1L2E1 | |||
167 | BALT | 8p. | B4A1L2T1 | |||
168 | BELA | 8p. | B4E1L2A1 | |||
169 | BELT | 8p. | B4E1L2T1 | |||
170 | BETL | 8p. | B4E1T1L2 | |||
171 | BLAD | 8p. | B4L2A1D1 | |||
172 | BLAR | 8p. | B4L2A1R1 | |||
173 | BLER | 8p. | B4L2E1R1 | |||
174 | DAVR | 8p. | D1A1V5R1 | |||
175 | DRAV | 8p. | D1R1A1V5 | |||
176 | DREV | 8p. | D1R1E1V5 | |||
177 | DRUL | 8p. | D1R1U4L2 | |||
178 | DUAL | 8p. | D1U4A1L2 | |||
179 | DULT | 8p. | D1U4L2T1 | |||
180 | EVER | 8p. | E1V5E1R1 | |||
181 | EVET | 8p. | E1V5E1T1 | |||
182 | EVRE | 8p. | E1V5R1E1 | |||
183 | LAUD | 8p. | L2A1U4D1 | |||
184 | LAUE | 8p. | L2A1U4E1 | |||
185 | LAUT | 8p. | L2A1U4T1 | |||
186 | LUER | 8p. | L2U4E1R1 | |||
187 | LUET | 8p. | L2U4E1T1 | |||
188 | LURA | 8p. | L2U4R1A1 | |||
189 | LURE | 8p. | L2U4R1E1 | |||
190 | LURT | 8p. | L2U4R1T1 | |||
191 | LUTA | 8p. | L2U4T1A1 | |||
192 | LUTE | 8p. | L2U4T1E1 | |||
193 | LUTR | 8p. | L2U4T1R1 | |||
194 | RABL | 8p. | R1A1B4L2 | |||
195 | RAUL | 8p. | R1A1U4L2 | |||
196 | RAVE | 8p. | R1A1V5E1 | |||
197 | REVA | 8p. | R1E1V5A1 | |||
198 | REVD | 8p. | R1E1V5D1 | |||
199 | REVE | 8p. | R1E1V5E1 | |||
200 | RULA | 8p. | R1U4L2A1 | |||
201 | RULE | 8p. | R1U4L2E1 | |||
202 | RULT | 8p. | R1U4L2T1 | |||
203 | RUTL | 8p. | R1U4T1L2 | |||
204 | TARV | 8p. | T1A1R1V5 | |||
205 | TAVE | 8p. | T1A1V5E1 | |||
206 | TEVA | 8p. | T1E1V5A1 | |||
207 | TEVE | 8p. | T1E1V5E1 | |||
208 | TRAV | 8p. | T1R1A1V5 | |||
209 | TREV | 8p. | T1R1E1V5 | |||
210 | ULER | 8p. | U4L2E1R1 | |||
211 | ULET | 8p. | U4L2E1T1 | |||
212 | ULTE | 8p. | U4L2T1E1 | |||
213 | UTLA | 8p. | U4T1L2A1 | |||
214 | VADE | 8p. | V5A1D1E1 | |||
215 | VADR | 8p. | V5A1D1R1 | |||
216 | VARD | 8p. | V5A1R1D1 | |||
217 | VARE | 8p. | V5A1R1E1 | |||
218 | VART | 8p. | V5A1R1T1 | |||
219 | VATR | 8p. | V5A1T1R1 | |||
220 | VEDA | 8p. | V5E1D1A1 | |||
221 | VEDE | 8p. | V5E1D1E1 | |||
222 | VEDR | 8p. | V5E1D1R1 | |||
223 | VEER | 8p. | V5E1E1R1 | |||
224 | VEET | 8p. | V5E1E1T1 | |||
225 | VERD | 8p. | V5E1R1D1 | |||
226 | VERT | 8p. | V5E1R1T1 | |||
227 | VETE | 8p. | V5E1T1E1 | |||
228 | VRED | 8p. | V5R1E1D1 | |||
229 | ABER | 7p. | A1B4E1R1 | |||
230 | ALKE | 7p. | A1L2K3E1 | |||
231 | AUDE | 7p. | A1U4D1E1 | |||
232 | AUDT | 7p. | A1U4D1T1 | |||
233 | AUER | 7p. | A1U4E1R1 | |||
234 | AUET | 7p. | A1U4E1T1 | |||
235 | AURE | 7p. | A1U4R1E1 | |||
236 | BADE | 7p. | B4A1D1E1 | |||
237 | BARD | 7p. | B4A1R1D1 | |||
238 | BARE | 7p. | B4A1R1E1 | |||
239 | BART | 7p. | B4A1R1T1 | |||
240 | BATE | 7p. | B4A1T1E1 | |||
241 | BEAT | 7p. | B4E1A1T1 | |||
242 | BEDA | 7p. | B4E1D1A1 | |||
243 | BEDE | 7p. | B4E1D1E1 | |||
244 | BEDR | 7p. | B4E1D1R1 | |||
245 | BEDT | 7p. | B4E1D1T1 | |||
246 | BERT | 7p. | B4E1R1T1 | |||
247 | BETA | 7p. | B4E1T1A1 | |||
248 | BETE | 7p. | B4E1T1E1 | |||
249 | BRED | 7p. | B4R1E1D1 | |||
250 | DALK | 7p. | D1A1L2K3 | |||
251 | DAUE | 7p. | D1A1U4E1 | |||
252 | DAUT | 7p. | D1A1U4T1 | |||
253 | DERB | 7p. | D1E1R1B4 | |||
254 | DRUA | 7p. | D1R1U4A1 | |||
255 | DRUE | 7p. | D1R1U4E1 | |||
256 | DUER | 7p. | D1U4E1R1 | |||
257 | DUET | 7p. | D1U4E1T1 | |||
258 | DURA | 7p. | D1U4R1A1 | |||
259 | DURE | 7p. | D1U4R1E1 | |||
260 | DURT | 7p. | D1U4R1T1 | |||
261 | EDRU | 7p. | E1D1R1U4 | |||
262 | EKLA | 7p. | E1K3L2A1 | |||
263 | EKLE | 7p. | E1K3L2E1 | |||
264 | KALD | 7p. | K3A1L2D1 | |||
265 | KALE | 7p. | K3A1L2E1 | |||
266 | KALT | 7p. | K3A1L2T1 | |||
267 | KARL | 7p. | K3A1R1L2 | |||
268 | KETL | 7p. | K3E1T1L2 | |||
269 | KLAR | 7p. | K3L2A1R1 | |||
270 | KLED | 7p. | K3L2E1D1 | |||
271 | KLER | 7p. | K3L2E1R1 | |||
272 | KRAL | 7p. | K3R1A1L2 | |||
273 | KREL | 7p. | K3R1E1L2 | |||
274 | LAKE | 7p. | L2A1K3E1 | |||
275 | LARK | 7p. | L2A1R1K3 | |||
276 | LEKA | 7p. | L2E1K3A1 | |||
277 | LEKE | 7p. | L2E1K3E1 | |||
278 | LEKR | 7p. | L2E1K3R1 | |||
279 | LEKT | 7p. | L2E1K3T1 | |||
280 | LERK | 7p. | L2E1R1K3 | |||
281 | RAKL | 7p. | R1A1K3L2 | |||
282 | RAUT | 7p. | R1A1U4T1 | |||
283 | REKL | 7p. | R1E1K3L2 | |||
284 | RUDE | 7p. | R1U4D1E1 | |||
285 | RUET | 7p. | R1U4E1T1 | |||
286 | RUTA | 7p. | R1U4T1A1 | |||
287 | RUTE | 7p. | R1U4T1E1 | |||
288 | TAKL | 7p. | T1A1K3L2 | |||
289 | TALK | 7p. | T1A1L2K3 | |||
290 | TAUE | 7p. | T1A1U4E1 | |||
291 | TRAU | 7p. | T1R1A1U4 | |||
292 | TRUA | 7p. | T1R1U4A1 | |||
293 | TRUE | 7p. | T1R1U4E1 | |||
294 | TUER | 7p. | T1U4E1R1 | |||
295 | TURA | 7p. | T1U4R1A1 | |||
296 | TURE | 7p. | T1U4R1E1 | |||
297 | UERE | 7p. | U4E1R1E1 | |||
298 | URAT | 7p. | U4R1A1T1 | |||
299 | UREA | 7p. | U4R1E1A1 | |||
300 | URET | 7p. | U4R1E1T1 | |||
301 | URTA | 7p. | U4R1T1A1 | |||
302 | URTE | 7p. | U4R1T1E1 | |||
303 | UTAD | 7p. | U4T1A1D1 | |||
304 | AKEE | 6p. | A1K3E1E1 | |||
305 | AKER | 6p. | A1K3E1R1 | |||
306 | AKRE | 6p. | A1K3R1E1 | |||
307 | AKTE | 6p. | A1K3T1E1 | |||
308 | ARKE | 6p. | A1R1K3E1 | |||
309 | DEKT | 6p. | D1E1K3T1 | |||
310 | EKRA | 6p. | E1K3R1A1 | |||
311 | EKRE | 6p. | E1K3R1E1 | |||
312 | EKTA | 6p. | E1K3T1A1 | |||
313 | EKTE | 6p. | E1K3T1E1 | |||
314 | KAER | 6p. | K3A1E1R1 | |||
315 | KARD | 6p. | K3A1R1D1 | |||
316 | KARE | 6p. | K3A1R1E1 | |||
317 | KART | 6p. | K3A1R1T1 | |||
318 | KRAE | 6p. | K3R1A1E1 | |||
319 | KRAT | 6p. | K3R1A1T1 | |||
320 | KREA | 6p. | K3R1E1A1 | |||
321 | KRED | 6p. | K3R1E1D1 | |||
322 | KREE | 6p. | K3R1E1E1 | |||
323 | RAKE | 6p. | R1A1K3E1 | |||
324 | RAKT | 6p. | R1A1K3T1 | |||
325 | REKA | 6p. | R1E1K3A1 | |||
326 | REKE | 6p. | R1E1K3E1 | |||
327 | REKT | 6p. | R1E1K3T1 | |||
328 | TEAK | 6p. | T1E1A1K3 | |||
329 | ADEL | 5p. | A1D1E1L2 | |||
330 | ADLE | 5p. | A1D1L2E1 | |||
331 | ALDR | 5p. | A1L2D1R1 | |||
332 | ALER | 5p. | A1L2E1R1 | |||
333 | ALET | 5p. | A1L2E1T1 | |||
334 | ALTE | 5p. | A1L2T1E1 | |||
335 | DALE | 5p. | D1A1L2E1 | |||
336 | DALT | 5p. | D1A1L2T1 | |||
337 | DEAL | 5p. | D1E1A1L2 | |||
338 | DELA | 5p. | D1E1L2A1 | |||
339 | DELE | 5p. | D1E1L2E1 | |||
340 | DELT | 5p. | D1E1L2T1 | |||
341 | EARL | 5p. | E1A1R1L2 | |||
342 | EDEL | 5p. | E1D1E1L2 | |||
343 | EDLE | 5p. | E1D1L2E1 | |||
344 | ELDA | 5p. | E1L2D1A1 | |||
345 | ELDE | 5p. | E1L2D1E1 | |||
346 | ELER | 5p. | E1L2E1R1 | |||
347 | ELET | 5p. | E1L2E1T1 | |||
348 | ELTA | 5p. | E1L2T1A1 | |||
349 | ELTE | 5p. | E1L2T1E1 | |||
350 | ERLA | 5p. | E1R1L2A1 | |||
351 | ERLE | 5p. | E1R1L2E1 | |||
352 | ETLA | 5p. | E1T1L2A1 | |||
353 | ETLE | 5p. | E1T1L2E1 | |||
354 | LADE | 5p. | L2A1D1E1 | |||
355 | LAER | 5p. | L2A1E1R1 | |||
356 | LATE | 5p. | L2A1T1E1 | |||
357 | LEAD | 5p. | L2E1A1D1 | |||
358 | LEDA | 5p. | L2E1D1A1 | |||
359 | LEDE | 5p. | L2E1D1E1 | |||
360 | LEER | 5p. | L2E1E1R1 | |||
361 | LEET | 5p. | L2E1E1T1 | |||
362 | LETE | 5p. | L2E1T1E1 | |||
363 | RALE | 5p. | R1A1L2E1 | |||
364 | RALT | 5p. | R1A1L2T1 | |||
365 | RATL | 5p. | R1A1T1L2 | |||
366 | REAL | 5p. | R1E1A1L2 | |||
367 | REEL | 5p. | R1E1E1L2 | |||
368 | RELE | 5p. | R1E1L2E1 | |||
369 | TALE | 5p. | T1A1L2E1 | |||
370 | TEAL | 5p. | T1E1A1L2 | |||
371 | TELA | 5p. | T1E1L2A1 | |||
372 | TELE | 5p. | T1E1L2E1 | |||
373 | TRAL | 5p. | T1R1A1L2 | |||
374 | ARDE | 4p. | A1R1D1E1 | |||
375 | ARET | 4p. | A1R1E1T1 | |||
376 | ARTE | 4p. | A1R1T1E1 | |||
377 | DART | 4p. | D1A1R1T1 | |||
378 | DATE | 4p. | D1A1T1E1 | |||
379 | DERE | 4p. | D1E1R1E1 | |||
380 | DERT | 4p. | D1E1R1T1 | |||
381 | DRET | 4p. | D1R1E1T1 | |||
382 | EDER | 4p. | E1D1E1R1 | |||
383 | EDTA | 4p. | E1D1T1A1 | |||
384 | ERTA | 4p. | E1R1T1A1 | |||
385 | ERTE | 4p. | E1R1T1E1 | |||
386 | ETER | 4p. | E1T1E1R1 | |||
387 | RADE | 4p. | R1A1D1E1 | |||
388 | RAET | 4p. | R1A1E1T1 | |||
389 | RATE | 4p. | R1A1T1E1 | |||
390 | REDA | 4p. | R1E1D1A1 | |||
391 | REDE | 4p. | R1E1D1E1 | |||
392 | RETE | 4p. | R1E1T1E1 | |||
393 | TARE | 4p. | T1A1R1E1 | |||
394 | TEER | 4p. | T1E1E1R1 | |||
395 | TRAD | 4p. | T1R1A1D1 | |||
396 | TREA | 4p. | T1R1E1A1 | |||
397 | TRED | 4p. | T1R1E1D1 |
22p. AJOURFØRER